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BACKGROUND Extended radical esophagectomy with three-field lymphadenectomy for patients with thoracic esophageal cancer has been shown to be effective. But even if this operation is performed, some(More)
Serum carcinoembryonic antigen (CEA), carbohydrate antigen (CA) 19-9, and squamous cell carcinoma (SCC) antigen levels were assessed to determine if their levels are useful for staging esophageal(More)